614312320 has 32 divisors (see below), whose sum is σ = 1468591920. Its totient is φ = 245724672.

The previous prime is 614312311. The next prime is 614312327. The reversal of 614312320 is 23213416.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 614312291 and 614312300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614312327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479292 + ... + 480571.

Almost surely, 2^614312320 is an apocalyptic number.

It is an amenable number.

614312320 is an abundant number, since it is smaller than the sum of its proper divisors (854279600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

614312320 is an equidigital number, since it uses as much as digits as its factorization.

614312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959882 (or 959870 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 614312320 is about 24785.3246902275. The cubic root of 614312320 is about 850.0864133600.

Adding to 614312320 its reverse (23213416), we get a palindrome (637525736).

The spelling of 614312320 in words is "six hundred fourteen million, three hundred twelve thousand, three hundred twenty".